package com.maomao.config;

import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.List;

/**
 * fastJson 配置
 * @author admin
 * @date 2018/4/24
 */
@Configuration
public class MvcConfigurer implements WebMvcConfigurer {
    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        // 1.需要先定义一个vonvert转换消息的对象
        FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();

        // 2.添加fastjson的配置信息，比如：是否格式化返回的json数据
        FastJsonConfig fastJsonConfig = new FastJsonConfig();
        fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);

        // 3.在conver中添加配置信息
        fastConverter.setFastJsonConfig(fastJsonConfig);

        // 4.将vonver添加到converters当中
        converters.add(fastConverter);
    }

}
